Supplemental Table 1. Relationships between metabolic syndrome with or without low HDL cholesterol as a factor and periodontal status.

	MetS (−)	MetS (+)	MetS (+)
		Low HDLC (+)	Low HDLC (−)
Men
Periodontitis (−), n	224	13	89
Periodontitis (+), n	274	43	129
Adjusted OR (95%CI)	1 (Ref)	2.68 (1.40–5.14)	1.21 (0.87–1.67)
Women
Periodontitis (−), n	397	54	145
Periodontitis (+), n	285	70	133
Adjusted OR (95%CI)	1 (Ref)	1.84 (1.24–2.72)	1.25 (0.94–1.67)

MetS, metabolic syndrome; HDLC, HDL cholesterol; OR, odds ratio; 95%CI, 95% confidence interval

Adjusted for age, smoking status, and drinking status